XV-DV830
93
5
7
8
5
7
8
C
D
F
A
B
E
Step 5
End
Replace IC8201.
Replace IC8201.
Is SPDIF signal coming?
(be different with Function)
IC8201
Yes
Check the other assemblies.
(AF Assy or DVDM Assy)
Check the OPTICAL IN line between VIDEO ASSY and DSP ASSY.
(Optical Input Jack or Connectors)
Check the other assemblies.
(periphery of microcomputer on the AF Assy)
No
Check
the DVD/CD
(pin 7).
Yes
No
Check
the OPTICAL IN
(pin 48).
Yes
Yes
No
Is
MCKO1 (pin 23)
outputting it?
No
Is
LRCK (pin 24)
outputting it?
Replace IC8201.
Yes
No
Is
SDTO (pin 25)
outputting it?
Replace IC8201.
No
Replace IC8502 or X8501.
Yes
No
Yes
No
Is input
signal of PDN
(pin 31) "H"?
Is output
signal of INT0
(pin 36) "H"?
Yes
No
Do not
oscillate of XTO
(pin 29)?
Yes
No
Note:
X8201 oscillates
only in analog input.
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TEL 13942296513 QQ 376315150 892498299
